Tracing the Origin of an Email Message — and Hiding it
Tuesday, March 17th, 2015We are often asked by our users to help them determine from where an email message has originated. “Where did this spam come from?”
In general, it is fairly easy to do this if you have access to the “headers” of the message. In this post, we will show you how to determine a message’s original location yourself and also how you can protect yourself from others determining your location when you send email messages to them.
Why would you need to protect yourself — If you are traveling and do not want people to know where you are; if your messages are not going through because your ISP is blacklisted or has a poor reputation.
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The common perception is that email messages seem to arrive almost as soon as they are sent. Messages often appear to be delivered “instantaneously.” So, when an email delay occurs, it seems like something must be wrong. Sometimes there is a problem. Sometimes the delay is the result of normal email flow.
It happens over and over — users trying to send legitimate email messages are blocked from sending because the IP address that they are getting from their Internet Service Provider (ISP) for their personal computer (or small office) is on some major blacklist, like 
